Finding the Fourth Proportional to 923,705.76, 1,275,594.36 and 873,385.68
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Solution
The fourth proportional to 923,705.76, 1,275,594.36 and 873,385.68 is: 1,206,104.69
Step by Step Solution
- Step 1: Write the proportion equation
923,705.76 : 1,275,594.36 = 873,385.68 : x - Step 2: Convert to fraction form
923,705.76/1,275,594.36 = 873,385.68/x - Step 3: Cross multiply
923,705.76x = 1,275,594.36 × 873,385.68 - Step 4: Simplify right side
923,705.76x = 1,114,085,847,512.76 - Step 5: Solve for x
x = 1,114,085,847,512.76/923,705.76 - Step 6: Final answer
x = 1,206,104.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.